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Jeep Grand Cherokee Engine Performance Parts

Built for your Jeep Grand Cherokee, this collection offers a wide range of engine performance parts designed to enhance power, throttle response, and overall reliability. Whether you’re looking to improve airflow with intakes and headers or optimize fuel delivery and tuning, these parts are engineered to fit your model precisely.

Explore components like high-flow exhaust systems, throttle bodies, programmers, and fuel system upgrades that work together to unlock your Jeep’s full potential. Each product is selected to improve engine efficiency, sound, and driving experience without compromising durability.

Shop engine performance upgrades for your Jeep Grand Cherokee at FastHemis.

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1358 Results

Kooks Stage 8 Header Bolt Kit: Fits 05-24 HEMI 5.7L VVT / 6.1L / 6.4L 392 / 6.2L
Kooks Stage 8 Header Bolt Kit: Fits 05-24 HEMI 5.7L VVT / 6.1L / 6.4L 392 / 6.2L
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Kooks Stage 8 Header Bolt Kit: Fits Most Chrysler/Dodge/Jeep/Ram (05-20)

Kooks Headers

Regular price $75.80 $68.22 10% off

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Kooks Headers 3in H.O. Green Catted OEM Pipes: Jeep Grand Cherokee / Dodge Durango (11-26)
Kooks Headers 3in H.O. Green Catted OEM Pipes: Jeep Grand Cherokee / Dodge Durango (11-26)
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Kooks Headers 3in H.O. Green Catted OEM Pipes: Fits Most Dodge/Jeep 6.4L/6.2L (12-23)

Kooks Headers

Regular price $2,969.51 $2,672.56 10% off

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Kooks Chrysler 5.7L (09+)/ 6.1L/ & 6.4L Hemi 02 Sensor Exts
Kooks Chrysler 5.7L (09+)/ 6.1L/ & 6.4L Hemi 02 Sensor Exts
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Kooks Chrysler 5.7L (09+)/ 6.1L/ & 6.4L Hemi 02 Sensor Exts

Kooks Headers

Regular price $107.31 $96.58 10% off

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K&N Catch Can Oil Separator (F&R): Fits Challenger / Charger / 300 / Jeep Grand Cherokee SRT8 2011-2021 w/ 6.4L HEMI
K&N Catch Can Oil Separator (F&R): Fits Challenger / Charger / 300 / Jeep Grand Cherokee SRT8 2011-2021 w/ 6.4L HEMI
K&N Engineering Oil Catch Can: Dodge Challenger / Charger 2015-2023
K&N Engineering Oil Catch Can: Dodge Challenger / Charger 2015-2023

K&N Engineering Oil Catch Can: Fits Most Dodge/Jeep 6.2L (15-25)

K&N Engineering

$157.99

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Kleinn RSRAM71 Remote Start: Fits RAM 1500/2500/3500/4500/5500 2013-2017
Kleinn RSRAM71 Remote Start: Fits RAM 1500/2500/3500/4500/5500 2013-2017
usa

Kleinn RSRAM71 Remote Start: Fits Most Chrysler/Dodge/Jeep/Ram (11-17)

Kleinn Air Horns

Regular price $272.99 $239.99 12% off

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Kooks SS Mopar Flange (BANK): Fits Chrysler / Dodge / Jeep / Ram (05-23)
Kooks SS Mopar Flange (BANK): Fits Chrysler / Dodge / Jeep / Ram (05-23)
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Kooks SS Mopar Flange (BANK): Fits Most Chrysler/Dodge/Jeep/Ram (05-16)

Kooks Headers

Regular price $64.08 $57.67 10% off

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Mishimoto Screw-On Oil Funnel Kit: Fits Chrysler / Dodge / Jeep / Ram (07-13)
Mishimoto Screw-On Oil Funnel Kit: Fits Chrysler / Dodge / Jeep / Ram (07-13)

Mishimoto Screw-On Oil Funnel Kit: Fits Most Chrysler/Dodge/Jeep/Ram (07-13)

Mishimoto

Regular price $30.00 $26.95 10% off

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Mishimoto Ignition Coil 8-Pack: Fits Dodge / Jeep (97-11)
Mishimoto Ignition Coil 8-Pack: Fits Dodge / Jeep (97-11)

Mishimoto Ignition Coil 8-Pack: Fits Dodge/Jeep 1999-2008 3.7L/4.7L V6/V8

Mishimoto

Regular price $302.00 $274.95 9% off

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Mishimoto Ignition Coil: Fits Jeep / Dodge (99-08) w/ Hardware
Mishimoto Ignition Coil: Fits Jeep / Dodge (99-08) w/ Hardware

Mishimoto Ignition Coil: Fits Dodge/Jeep 1999-2008 3.7L/4.7L V6/V8

Mishimoto

Regular price $46.00 $41.95 9% off

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Manley Performance Chrysler Hemi 6.1L 4.095 Inch Bore -12.5cc Dome Extreme Duty Piston Set: Multiple Chrysler Fitments
Manley Performance Chrysler Hemi 6.1L 4.095 Inch Bore -12.5cc Dome Extreme Duty Piston Set: Multiple Chrysler Fitments
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Manley Performance Chrysler Hemi 6.1L 4.095 Inch Bore -12.5cc Dome Extreme Duty Piston Set: Multiple Chrysler Fitments

Manley Performance

Regular price $1,322.43 $1,124.07 15% off

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Manley Platinum Extreme Duty Piston Set -11.5cc Dish 4.060 Bore (F&R): Fits Chrysler 6.1L HEMI 2005-2010
Manley Platinum Extreme Duty Piston Set -11.5cc Dish 4.060 Bore (F&R): Fits Chrysler 6.1L HEMI 2005-2010
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Manley Platinum Extreme Duty Piston Set -11.5cc Dish 4.060 Bore (F&R): Fits Chrysler 6.1L HEMI 2005-2010

Manley Performance

Regular price $1,322.43 $1,124.07 15% off

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per 

Manley Platinum Extreme Duty Pistons 4.080" Bore -11.5cc Dish .927" Pin (SET): Chrysler 6.1L 2005-2010
Manley Platinum Extreme Duty Pistons 4.080" Bore -11.5cc Dish .927" Pin (SET): Chrysler 6.1L 2005-2010
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Manley Platinum Extreme Duty Pistons 4.080" Bore -11.5cc Dish .927" Pin (SET): Chrysler 6.1L 2005-2010

Manley Performance

Regular price $1,322.43 $1,124.07 15% off

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Manley Stroker 3.937" Bore -14cc Dish .927" Pin 4.050" Stroke Extreme Duty Piston Set: Fits Chrysler 2003-2024 5.7L HEMI
Manley Stroker 3.937" Bore -14cc Dish .927" Pin 4.050" Stroke Extreme Duty Piston Set: Fits Chrysler 2003-2024 5.7L HEMI
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Manley Stroker 3.937" Bore -14cc Dish .927" Pin 4.050" Stroke Extreme Duty Piston Set: Fits Chrysler 2003-2024 5.7L HEMI

Manley Performance

Regular price $1,322.43 $1,124.07 15% off

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Manley Extreme Duty Piston Set -12.5cc Dish 4.090 Bore (F&R): 11-24 6.4L 392 HEMI
Manley Extreme Duty Piston Set -12.5cc Dish 4.090 Bore (F&R): 11-24 6.4L 392 HEMI
usa

Manley Extreme Duty Piston Set -12.5cc Dish 4.090 Bore (F&R): 11-24 6.4L 392 HEMI

Manley Performance

Regular price $1,322.43 $1,124.07 15% off

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Manley Extreme Duty Flat Top Piston Set -1.5cc Dome .927 Pin: Chrysler 5.7L HEMI 2003-2024
Manley Extreme Duty Flat Top Piston Set -1.5cc Dome .927 Pin: Chrysler 5.7L HEMI 2003-2024
usa

Manley Extreme Duty Flat Top Piston Set -1.5cc Dome .927 Pin: Chrysler 5.7L HEMI 2003-2024

Manley Performance

Regular price $1,322.43 $1,124.07 15% off

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per 

Manley Extreme Duty Flat Top Piston Set -1.5cc Dish .927 Pin 4.050 Stroke: Chrysler 5.7L HEMI 2003-2024
Manley Extreme Duty Flat Top Piston Set -1.5cc Dish .927 Pin 4.050 Stroke: Chrysler 5.7L HEMI 2003-2024
usa

Manley Extreme Duty Flat Top Piston Set -1.5cc Dish .927 Pin 4.050 Stroke: Chrysler 5.7L HEMI 2003-2024

Manley Performance

Regular price $1,322.43 $1,124.07 15% off

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per 

Manley Platinum Extreme Duty Piston Set -5cc Dish 4.090 Bore (F&R): 11-24 6.4L 392 HEMI
Manley Platinum Extreme Duty Piston Set -5cc Dish 4.090 Bore (F&R): 11-24 6.4L 392 HEMI
usa

Manley Platinum Extreme Duty Piston Set -5cc Dish 4.090 Bore (F&R): 11-24 6.4L 392 HEMI

Manley Performance

Regular price $1,322.43 $1,124.07 15% off

Unit price
per 

Manley Performance Extreme Duty Piston Set -23cc Dish 3.917in Bore 4.050in Stroke (SET): Chrysler 5.7L HEMI 2003-2024
Manley Performance Extreme Duty Piston Set -23cc Dish 3.917in Bore 4.050in Stroke (SET): Chrysler 5.7L HEMI 2003-2024
usa

Manley Performance Extreme Duty Piston Set -23cc Dish 3.917in Bore 4.050in Stroke (SET): Chrysler 5.7L HEMI 2003-2024

Manley Performance

Regular price $1,322.43 $1,124.07 15% off

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Manley Extreme Duty Dome Piston Set 9.3cc Dome .927 Pin: Chrysler 5.7L HEMI 2003-2024
Manley Extreme Duty Dome Piston Set 9.3cc Dome .927 Pin: Chrysler 5.7L HEMI 2003-2024
usa

Manley Extreme Duty Dome Piston Set 9.3cc Dome .927 Pin: Chrysler 5.7L HEMI 2003-2024

Manley Performance

Regular price $1,322.43 $1,124.07 15% off

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Magnaflow CARB Direct Fit Catalytic Converter: Jeep Grand Cherokee / Commander 4.7L/5.7L 2006-2010
Magnaflow CARB Direct Fit Catalytic Converter: Jeep Grand Cherokee / Commander 4.7L/5.7L 2006-2010
usa
DiabloSport Trinity 2 (T2 EX) Platinum Programmer / Monitor: Jeep Vehicles 2005 - 2014
DiabloSport Trinity 2 (T2 EX) Platinum Programmer / Monitor: Jeep Vehicles 2005 - 2014

DiabloSport Trinity 2 (T2 EX) Platinum Programmer / Monitor: Jeep Vehicles 2005 - 2014

Diablo Sport
4.0 (1)

Regular price $787.95 $749.95 5% off

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Earl's Performance Oil Filter Relocation Kit: Fits Most Hemi Models

Earl's Perf Oil Filter Relocation Kit: Fits Chrysler / Dodge / Jeep (03-07) Gen III Hemi

Earl's Performance

Regular price $245.95 $225.95 8% off

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Granatelli Motor Sports Perf Ignition Wire Connector Kit: Dodge Durango / Magnum / Chrysler 300 5.7L HEMI (98-05)
Granatelli Motor Sports Perf Ignition Wire Connector Kit: Dodge Durango / Magnum / Chrysler 300 5.7L HEMI (98-05)
usa

Granatelli Motor Sports Perf Ignition Wire Connector Kit: Fits Most Chrysler/Dodge/Jeep 5.7L Hemi (04-05)

Granatelli Motor Sports

Regular price $375.95 $357.15 5% off

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Granatelli Motor Sports MPG Plus Ignition Wires: Chrysler 300 / Dodge Durango / Magnum (98-05)
Granatelli Motor Sports MPG Plus Ignition Wires: Chrysler 300 / Dodge Durango / Magnum (98-05)
usa

Granatelli Motor Sports MPG Plus Ignition Wires: Fits Most Chrysler/Dodge/Jeep 5.7L Hemi (04-05)

Granatelli Motor Sports

Regular price $375.95 $357.15 5% off

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Granatelli Motor Sports Perf Ignition Wire Set: Dodge Durango / Chrysler 300 / Magnum w/ Red Wire
Granatelli Motor Sports Perf Ignition Wire Set: Dodge Durango / Chrysler 300 / Magnum w/ Red Wire
usa

Granatelli Motor Sports Perf Ignition Wire Set: Fits Most Chrysler/Dodge/Jeep 5.7L Hemi (04-05) w/ Red Wire

Granatelli Motor Sports

Regular price $375.95 $357.15 5% off

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Manley Performance Chrysler Hemi 6.4L Pistons: +.010 Over Size 1.210 Comp Set of 8 E/D
Manley Performance Chrysler Hemi 6.4L Pistons: +.010 Over Size 1.210 Comp Set of 8 E/D
usa

Manley Performance Chrysler Hemi 6.4L Pistons: +.010 Over Size 1.210 Comp Set of 8 E/D

Manley Performance

Regular price $1,322.43 $1,124.07 15% off

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Liqui Moly Molygen New Generation Motor Oil: Fits Most Models
Liqui Moly Molygen New Generation Motor Oil: Fits Most Models
Liqui Moly Top Tec 4210 Motor Oil: Fits Most Dodge / Jeep Models
Liqui Moly Top Tec 4210 Motor Oil: Fits Most Dodge / Jeep Models

Enhance Your Jeep Grand Cherokee with Engine Performance Parts

Unlock the full potential of your Jeep Grand Cherokee with engine performance parts designed to improve power, throttle response, and reliability. This collection features precision-fit components that optimize airflow, fuel delivery, and tuning for a more efficient and responsive engine.

What are the benefits of upgrading engine performance parts on a Jeep Grand Cherokee?

Upgrading your Jeep Grand Cherokee’s engine components can significantly enhance driving dynamics by improving horsepower, torque, and throttle response. Performance parts like high-flow intakes and headers increase airflow, while fuel system upgrades ensure consistent delivery for better combustion efficiency. These improvements not only boost power but also refine engine sound and overall reliability.

  • Improved engine breathing for increased power output
  • Enhanced throttle response for quicker acceleration
  • Optimized fuel delivery for smoother performance
  • Durable components built to withstand daily driving and off-road conditions

How do I choose the right engine performance parts for my Jeep Grand Cherokee?

Selecting the right parts depends on your Jeep’s engine platform and your performance goals. Consider upgrades like cold air intakes and throttle bodies for better airflow, or programmers and tuners to optimize engine management. Always verify fitment for your specific model year and engine size to ensure seamless installation and maximum benefit.

What supporting modifications should I consider with engine upgrades?

To get the most from your engine performance parts, supporting modifications can help maintain balance and reliability. Upgrading your exhaust system complements intake and header improvements by reducing backpressure. Fuel system enhancements and custom tuning ensure your engine runs efficiently with the new parts installed. Explore our full range of Jeep Grand Cherokee engine upgrades at FastHemis to build a cohesive performance setup.

SELECT YOUR VEHICLE